Expandable intervertebral spacers and methods of use
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United States of America Patent
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Feb 12, 2013
Grant Date -
Sep 29, 2011
app pub date -
Jun 9, 2011
filing date -
Apr 27, 2006
priority date (Note) -
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Abstract
An intervertebral spacer for positioning between vertebral members. The spacer may include contact surfaces that are configured to contact against the vertebral members. A fluid cylinder may be positioned between the first and second contact surfaces and configured to contain a fluid. The fluid cylinder may include an outer cylinder with an open first end that telescopingly receives an inner cylinder. The spacer is configured to maintain the distance between the contact surfaces at a desired amount.
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